Pubpy

===================

- Border: ``border``
- this will add grid lines
- ``theme_publication`` function:
- use `border=True`

====================

- New argument: ``grid``
- this will add grid lines
- ``theme_publication`` function:
- use `grid=True`
- README:
- Add example of the ``notebook`` style
- Add FAQ
- Update publications
- Other misc changes...